Table 2.
No. | Clinical sample | cobas® SARS-CoV-2 (Roche) |
Allplex™ 2019-nCoV Assay (Seegene) |
RealStar® SARS-CoV-2 RT-PCR Kit 1.0 (altona) |
Xpress Xpert® SARS-CoV-2 (Cepheid) |
Vivalytic VRI Panel (Schnelltest COVID-19) (Bosch) | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
Initial CT-value (undiluted)* | ORF1a gene CT-value (log10 RNA copies/mL) | E gene CT-value (log10 RNA copies/mL) | E gene (CT-value) | RdRP gene (CT-value) | N gene (CT-value) | S gene (CT-value) | E gene (CT-value) | E gene (CT-value) | N2 gene (CT-value) | E/ORFf1ab gene | |
1 | 24.5 (T) ▮ | 25.65 (6.03) | 26.31 (5.58) | 22.88 | 25.11 | 25.88 | 21.74 | 2180 | – | – | positive |
2 | 30.2 (T) ▮ | 31.27 (4.31) | 33.64 (3.35) | 32.07 | 35.65 | 34.27 | 31.07 | 3199 | 33.7 | 36.1 | ø |
3 | 33.8 (T) ▮ | 31.94 (4.12) | 34.19 (3.18) | 31.89 | 34.81 | 34.61 | 30.99 | 3167 | 32.4 | 35.4 | positive |
4 | 29.2 (S) ▮ | 30.21 (4.63) | 31.31 (4.06) | 29.63 | 31.09 | 32.64 | 28.42 | 2848 | 30.6 | 33.1 | positive |
5 | 25.2 (T) ▮ | 30.23 (4.63) | 31.06 (4.13) | 2808 | 30.20 | 30.86 | 26.80 | 2685 | 29.1 | 31.5 | positive |
6 | 22.1 (T) ▮ | 27.1 (5.58) | 27.81 (5.12) | 24.28 | 26.56 | 272 | 22.70 | 22.91 | – | – | positive |
7 | 29.37 (N) ▮ | 33.81 (5.58) | 35.67 (2.73) | 31.53 | 33.03 | 33.66 | 30.60 | 31.34 | 32.5 | 34.4 | ø |
8 | 35.6 (P) △ | ø | ø | ø | ø | ø | ø | ø | – | – | ø |
9 | 35.65 (P) □ | ø | ø | ø | ø | ø | ø | ø | – | – | ø |
10 | 32.12 (N) ▲ | 36.91 (2.59) | 37.42 (2.19) | ø | ø | 37.24 | 34.4 | 37.05 | – | – | positive |
11 | ø (S) | ø | ø | ø | ø | ø | ø | ø | ø | ø | ø |
12 | ø (P) | ø | ø | ø | ø | ø | ø | ø | ø | ø | ø |
13 | ø (P) | ø | ø | ø | ø | ø | ø | ø | ø | ø | ø |
14 | ø (P) | ø | ø | ø | ø | ø | ø | ø | – | – | ø |
15 | ø (P) | ø | ø | ø | ø | ø | ø | ø | – | – | ø |
All samples where a signal was detected were considered SARS-CoV-2 positive according to each manufacturer’s interpretation algorithm.
*RdRP-gene specific rRT-PCR.
(T) = tracheal secretion.
(S) = sputum.
(N) = nasal swab.
(P) = pharyngeal swab.
▮ = severe clinical course.
▲ = moderate clinical course.
△ = mild clinical course.
□ = asymptomatic clinical course.
Ø = negative.
- not tested.